Interspecific and intraspecific mitochondrial DNA variation in North American bears (Ursus)

@article{Cronin1991InterspecificAI,
  title={Interspecific and intraspecific mitochondrial DNA variation in North American bears (Ursus)},
  author={Matthew A. Cronin and Steven C. Amstrup and Gerald W. Garner and Ernest R. Vyse},
  journal={Canadian Journal of Zoology},
  year={1991},
  volume={69},
  pages={2985-2992}
}
We assessed mitochondrial DNA variation in North American black bears (Ursus americanus), brown bears (Ursus arctos), and polar bears (Ursus maritimus). Divergent mitochondrial DNA haplotypes (0.05 base substitutions per nucleotide) were identified in populations of black bears from Montana and Oregon. In contrast, very similar haplotypes occur in black bears across North America. This discordance of haplotype phylogeny and geographic distribution indicates that there has been maintenance of… Expand

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